{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Subject.Gender", "Subject.Age", "Treatment.Disorder", "Treatment.Route", "Treatment.Time_elapsed", "Treatment.Drug", "Subject.Disorder", "Subject", "Effect", "Treatment.Dosage", "Treatment.Freq", "Subject.Population", "Combination.Drug"]}], "input": "Our cohort included 1739 patients with acute ischemic stroke treated with intravenous tissue plasminogen activator of whom 125 (7.2%) were receiving warfarin before admission and had an international normalized ratio <1.7."}
{"potential therapeutic event": [{"Subject.Gender": "NAN", "Subject.Age": "NAN", "Treatment.Disorder": "NAN", "Treatment.Route": "intravenous", "Treatment.Time_elapsed": "NAN", "Treatment.Drug": "tissue plasminogen activator", "Subject.Disorder": "NAN", "Subject": "1739 patients", "Effect": "NAN", "Treatment.Dosage": "NAN", "Treatment.Freq": "NAN", "Subject.Population": "1739", "Combination.Drug": "NAN"}]}